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PP-Performance tuned TT-RS vs. PP-Performance tuned Alpina B3

We have two videos of runs between these two tuned cars which are very evenly matched. The TT-RS is claimed to have 450 hp and the Alpina B3 500 hp. The specs on the B3 are updgraded turbos, downpipe, intercooler, no cats, and PP-P tune. The TT-RS has no cats, aftermarket downpipe, and a PP-P tune as well.

The power numbers seems to be a bit off specially for the BMW, not only by the enviroment speed but also with the climbing of the speed and rpm needle in the audi. My guess is that both are near the 400hp level and have similar whp/weight ratio. The weight advantage of the Audi is reduced by the higher power loss from the awd system.